package com.seashop.service;

import com.seashop.entity.MemberRelation;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author moredln
 * @since 2020-11-22
 */
public interface IMemberRelationService extends IService<MemberRelation> {

    MemberRelation memberDegrade(int userId, int userLevel);
}
